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  1. import java.text.*;
  2. import java.util.*;
  3.  
  4. class Eveniment {
  5.     private Date dataInceput, dataSfarsit;
  6.     private String nume;
  7.     // Primeste 2 stringuri in format yyyy-MM-dd HH:mm:ss reprezentand data si ora
  8.     // de inceput si de final a evenimentului si inca un string care contine numele
  9.     // cu care apare evenimentul in calendar
  10.     public Eveniment(String dataInceput, String dataSfarsit, String nume) {
  11.         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  12.         try {
  13.             this.dataInceput = format.parse(dataInceput);
  14.             this.dataSfarsit = format.parse(dataSfarsit);
  15.         } catch (Exception e) {
  16.             System.out.println("Data nu este in formatul cerut!");
  17.         }
  18.         this.nume = nume;
  19.     }
  20.  
  21.     public Date getDataInceput() {
  22.         return dataInceput;
  23.     }
  24.  
  25.     public Date getDataSfarsit() {
  26.         return dataSfarsit;
  27.     }
  28.  
  29.     public String getNume() {
  30.         return nume;
  31.     }
  32. }
  33.  
  34. class EvenimentRecurent extends Eveniment {
  35.     private int numarOre;
  36.  
  37.     EvenimentRecurent(String dataInceput, String dataSfarsit, String nume, int numarOre) {
  38.         super(dataInceput, dataSfarsit, nume);
  39.         this.numarOre = numarOre;
  40.     }
  41.  
  42.     public String urmatorulEveniment(String dataInceput) {
  43.         SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  44.         try {
  45.             Date dataEveniment = getDataInceput();
  46.             Date dataUrmEv = format.parse(dataInceput);
  47.             String dataString1 = format.format(dataEveniment);
  48.             if (dataEveniment.before(dataUrmEv)) {
  49.                 while (dataEveniment.before(dataUrmEv)) {
  50.                     Calendar calendar = Calendar.getInstance();
  51.                     calendar.setTime(dataEveniment);
  52.                     calendar.add(Calendar.HOUR_OF_DAY, numarOre);
  53.                     dataEveniment = calendar.getTime();
  54.                     dataString1 = format.format(dataEveniment);
  55.                 }
  56.                 Calendar calendar = Calendar.getInstance();
  57.                 calendar.setTime(dataEveniment);
  58.                 calendar.add(Calendar.HOUR_OF_DAY, numarOre);
  59.                 dataEveniment = calendar.getTime();
  60.                 dataString1 = format.format(dataEveniment);
  61.                 return dataString1;
  62.  
  63.             } else {
  64.                 if (dataEveniment.after(dataUrmEv)) {
  65.                     return format.format(dataEveniment);
  66.                 } else {
  67.                     Calendar calendar = Calendar.getInstance();
  68.                     calendar.setTime(dataEveniment);
  69.                     calendar.add(Calendar.HOUR_OF_DAY, numarOre);
  70.                     String dataString2 = format.format(calendar.getTime());
  71.                     return dataString2;
  72.                 }
  73.             }
  74.         } catch (Exception e) {
  75.             return "Data nu este in formatul cerut!";
  76.         }
  77.     }
  78. }
  79.  
  80. public class Main {
  81.     public static void main(String[] args) {
  82.         EvenimentRecurent er = new EvenimentRecurent("2019-03-09 22:46:00",
  83.                 "2019-03-09 23:00:00", "Scris probleme", 24);
  84.         System.out.println(er.urmatorulEveniment("2019-04-19 22:46:23"));
  85.         //System.out.println(er.urmatorulEveniment("2019-03-08 22:46:00"));
  86.         //System.out.println(er.urmatorulEveniment("2019-03-09 22:46:00"));
  87.         // 2019-04-20 22:46:00
  88.     }
  89. }
Success #stdin #stdout 0.18s 58232KB
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2019-04-21 22:46:00
https://ideone.com/RxysI6
language:
Java (HotSpot 12)
created:
8 days ago
visibility:
public

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